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Police said the suspect, a mallard duck, was "last seen flying north up the Maine Turnpike, heading towards Bangor. We are investigating....."

The post ends with the #BangorPD #DuckofInterest.

Bangor police, who have gained social media notoriety for Duck of Justice posts, responded Thursday morning offering an alibi for the wooden duck and offering the legal services of their staff duck attorney.

Portland police responded, saying the investigation is on going and raising skepticism regarding the duck's alibi.

The department also posted a photo of a line up and a witness statement, indicating the Duck of Justice as the prime suspect.